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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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"""Serve logs process"""
import os

import flask

from airflow.configuration import conf


def serve_logs():
    """Serves logs generated by Worker"""
    print("Starting flask")
    flask_app = flask.Flask(__name__)

    @flask_app.route('/log/<path:filename>')
    def serve_logs_view(filename):  # pylint: disable=unused-variable
        log_directory = os.path.expanduser(conf.get('logging', 'BASE_LOG_FOLDER'))
        return flask.send_from_directory(
            log_directory,
            filename,
            mimetype="application/json",
            as_attachment=False)

    worker_log_server_port = conf.getint('celery', 'WORKER_LOG_SERVER_PORT')
    flask_app.run(host='0.0.0.0', port=worker_log_server_port)
